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4,869 of 8,661 properties in Canarsie are eligible for an accessory dwelling unit. 56.2% eligibility rate based on real NYC property data.
8,661
Total Properties
4,869
ADU Eligible
56.2%
Eligibility Rate
R5B / R4-1
Top Zones
2,636 ft²
Avg Lot Size
$2K–$3K
Est. Monthly Rent
Under NYC Local Laws 126 & 127 (City of Yes for Housing Opportunity), homeowners in eligible zoning districts can add an accessory dwelling unit to their property.
56.2% of Canarsie properties qualify
Based on property data, here are the ADU types that Canarsie homeowners can build.
Construct a standalone cottage in the rear yard. Up to 800 sq ft under NYC rules. Requires sufficient lot area and setbacks.
Convert existing basement or interior space into a self-contained dwelling unit with separate entrance, kitchen, bathroom, and sleeping area.
Build a new ADU attached to the existing home -- such as a side or rear addition. Shares at least one wall with the primary structure.
Estimated costs and rental income based on real data from eligible properties in Canarsie.
$150,000 – $350,000
Est. Construction Cost
$2,200 – $3,000/mo
Est. Monthly Rent
$31,200/yr
Est. Annual Income
Estimates are based on aggregate data from eligible properties in Canarsie. Actual costs vary by ADU type, size, site conditions, and finishes. Using HPD pre-approved plans can save $15,000–$40,000 on design costs.
Up to $395,000 in combined loans and grants (including up to $175,000 as a grant) for eligible Canarsie homeowners. Must be owner-occupied, below 165% AMI, and commit to a 10-year rental period.
Based on our analysis of 8,661 properties in Canarsie, Brooklyn, 4,869 are eligible for an ADU under NYC Local Laws 126 & 127. That is a 56.2% eligibility rate. The most common zoning districts are R5B, R4-1, R5.
Properties in Canarsie are eligible for Detached Backyard ADU, Basement/Interior Conversion, Attached ADU. The best option depends on your lot size (average in Canarsie is 2,636 sq ft), existing structures, and budget. Use our eligibility checker for a personalized assessment.
Based on eligible properties in Canarsie, estimated ADU construction costs range from $150,000 to $350,000. Actual costs depend on the ADU type, size, site conditions, and finishes. Using HPD pre-approved plans can save $15,000-$40,000 on design costs.
ADUs in Canarsie, Brooklyn can generate an estimated $2,200 to $3,000 per month in rental income. At $2,600 per month, that is approximately $31,200 per year in gross rental income.
Yes. The Plus One ADU Program offers up to $395,000 in combined loans and grants (including up to $175,000 as a grant) for eligible homeowners in Canarsie and all NYC neighborhoods. You must be owner-occupied, below 165% AMI, and commit to a 10-year rental period. Applications are open until June 12, 2026.
Explore ADU eligibility in areas near Canarsie.
Mill Basin
Brooklyn
1,313
Properties
247
Eligible
18.8%
Rate
East Flatbush
Brooklyn
9,591
Properties
5,090
Eligible
53.1%
Rate
Marine Park
Brooklyn
5,435
Properties
2,180
Eligible
40.1%
Rate
Flatlands
Brooklyn
8,273
Properties
2,535
Eligible
30.6%
Rate
East New York
Brooklyn
6,434
Properties
2,439
Eligible
37.9%
Rate
Brownsville
Brooklyn
515
Properties
99
Eligible
19.2%
Rate
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